ATE77975T1 - DISPENSING DEVICE FOR MEDIA. - Google Patents

DISPENSING DEVICE FOR MEDIA.

Info

Publication number
ATE77975T1
ATE77975T1 AT88106259T AT88106259T ATE77975T1 AT E77975 T1 ATE77975 T1 AT E77975T1 AT 88106259 T AT88106259 T AT 88106259T AT 88106259 T AT88106259 T AT 88106259T AT E77975 T1 ATE77975 T1 AT E77975T1
Authority
AT
Austria
Prior art keywords
piston
outlet valve
valve
running
dispensing device
Prior art date
Application number
AT88106259T
Other languages
German (de)
Inventor
Karl-Heinz Fuchs
Original Assignee
Pfeiffer Erich Gmbh & Co Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pfeiffer Erich Gmbh & Co Kg filed Critical Pfeiffer Erich Gmbh & Co Kg
Application granted granted Critical
Publication of ATE77975T1 publication Critical patent/ATE77975T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1038—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
    • B05B11/104—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being opened by pressure after a defined accumulation stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps

Landscapes

  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Nozzles (AREA)
  • Coating Apparatus (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Abstract

In a fluid dispenser (1), an outlet valve (13), controlled by an auxiliary piston (14) of a thrust piston pump (2) is provided essentially completely within the piston unit (6), the auxiliary piston (14) running in a shaft section, constructed as a control cylinder (15), of the piston shaft (8) and being constructed itself as a valve closing component of the outlet valve (13), which component is elastically deformed by running up onto rib-like projections (34) in the control valve (15) in such a way that openings for the medium are released. As a result, whilst obtaining a simple construction of the dispensing device there is the possibility of very finely determining the opening characteristic of the outlet valve (13). <IMAGE>
AT88106259T 1987-05-08 1988-04-20 DISPENSING DEVICE FOR MEDIA. ATE77975T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873715299 DE3715299A1 (en) 1987-05-08 1987-05-08 DISCHARGE DEVICE FOR MEDIA
EP88106259A EP0289856B1 (en) 1987-05-08 1988-04-20 Fluid dispenser

Publications (1)

Publication Number Publication Date
ATE77975T1 true ATE77975T1 (en) 1992-07-15

Family

ID=6327065

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88106259T ATE77975T1 (en) 1987-05-08 1988-04-20 DISPENSING DEVICE FOR MEDIA.

Country Status (3)

Country Link
EP (1) EP0289856B1 (en)
AT (1) ATE77975T1 (en)
DE (2) DE3715299A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4986453A (en) * 1989-05-15 1991-01-22 The Pittway Corporation Atomizing pump
DE3832852A1 (en) * 1988-09-28 1990-03-29 Oeco Tech Entwicklung & Vertri AUTOMATIC SPRAY CAN
DE3909031A1 (en) * 1989-03-18 1990-09-27 Pfeiffer Erich Gmbh & Co Kg DISCHARGE DEVICE FOR MEDIA
DE4035619A1 (en) * 1990-11-09 1992-05-14 Pfeiffer Erich Gmbh & Co Kg DISCHARGE DEVICE FOR MEDIA
WO1993000944A1 (en) * 1991-07-01 1993-01-21 Pattullo, Norman Apparatus for patient-controlled infusion
EP0688608A1 (en) * 1994-03-25 1995-12-27 GUALA S.p.A. An atomizer device for manually operated pumps
US5655688A (en) * 1994-10-19 1997-08-12 Aptargroup, Inc. Atomizing pump with high stroke speed enhancement and valve system therefor
IL122499A (en) 1995-06-07 2003-02-12 Oneil Alexander G B Patient controlled drug delivery device
US5720419A (en) * 1996-03-11 1998-02-24 Calmar Inc. Pre-compression pump sprayer having improved inlet and discharge valving and an improved pump priming feature
US7335186B2 (en) 1998-03-13 2008-02-26 Alexander George Brian O'Neil Patient controlled drug delivery device
IT1310304B1 (en) 1999-03-03 2002-02-11 Microspray Delta Spa MANUALLY OPERATED PUMP TO DISPENSE PRESSURIZED LIQUIDS

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2346056A1 (en) * 1975-07-11 1977-10-28 Step Soc Tech Pulverisation Pump action spray valve for perfume - has liq. in cylinder compressed against spring pressure for ejection to spray nozzle
US4234127A (en) * 1978-02-01 1980-11-18 Canyon Corporation Manually operated sprayer

Also Published As

Publication number Publication date
DE3715299A1 (en) 1988-11-24
EP0289856A3 (en) 1989-08-30
EP0289856A2 (en) 1988-11-09
DE3872585D1 (en) 1992-08-13
EP0289856B1 (en) 1992-07-08

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